On 11/08/15 17:29, Benjamin Tissoires wrote: >>> Are you able to send me some dmesg output with dyndbg=+pt enabled? > > I will do that after lunch if you still need them. Looks unnecessary given that the calibrate worked. >> sudo ./mxt-app -d i2c-dev:0-004a --calibrate > > Yep, this works with the deep sleep patches applied. On the regular > fedora kernel (without these patches, and after a boot with the kernel > with the patches), it does not make the touchpad back alive, however, > a reset with the mxt-app works. > > Thanks for the fast work-around. Thanks for testing this! >> The patch under discussion sends a calibrate command as the input device is >> opened. However I can see that user space is opening/closing the device 3x >> in the space of about a second as X starts up, which may be confusing the >> firmware. It might be that we need to wait for the calibration to complete, >> I will try adding some code to do that. > > Can't you start a worker on open which will keep a ref count on how > many open/close you make and which would do the calibration in the > background without blocking the user-space? This way, you will be able > to guarantee that the calibration will end, and not be re-sent if > there are several open/close in a raw. Yes, something like that sounds sensible. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
